Senston Badminton Racket Set Badminton Racquets Racket Cover Included: A high quality racket and racket cover (Protect the racket well and easy to carry ) Item type:Senston-N80(BUILT IN T-JOINT) /Frame: Graphite/Shaft: Graphite (Full Graphite meterial adds strengths and stability for enhanced performance) Product parameters:5U(75g-79g)/GripG4/The balance point:295+/-3MM/Lengh:675MM Stringing Advice: 18-26 lbs,The Isometric Square Head Shape frame structure and nanometer material supports high pounds string,frame do not change shape ,give you a better sense of strength We provide a GOOD AFTER-SALES SERVICE. If you have any problems after the purchase, you can feel free to contact us. We have the best service team to solve all customer's questions and problems